The 10R140 is a 10-speed automatic transmission manufactured by Ford, introduced in 2020 as the heavy-duty successor to the 6R140. It was designed for high-torque diesel and gas applications, offering stronger internals, wider gear ratios, and improved towing efficiency. This transmission is commonly found in Ford Super Duty F-250, F-350, F-450, and F-550 trucks equipped with the 6.7L Power Stroke diesel and 7.3L “Godzilla” V8 gas engines, delivering smoother power delivery and greater durability for commercial and towing use.